Merion Station — For the Main Line’s best-known kosher restaurant, it’s now prime time. C+R Kitchen unveiled its new identity as a New York-style steakhouse on Wednesday night to a packed crowd of appreciative diners. Some items on the Montgomery Avenue mainstay’s menu include house-cured gravlax, lamb sliders, a steak house wedge salad with beef fry, shiitake tortellini, halibut, steak...